Gemini 3.7 Flash and Kimi K3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 3.7 Flash, from Google, has a 1,048,576-token context window and is priced at $0.375/M tokens input, $1.875/M tokens output on OpenRouter.
Kimi K3, from moonshotai, has a 1,048,576-token context window and is priced at $2.80/M tokens input, $14/M tokens output on OpenRouter.